GB2582009B - Split magnet with rotating central component - Google Patents

Split magnet with rotating central component Download PDF

Info

Publication number
GB2582009B
GB2582009B GB1903118.6A GB201903118A GB2582009B GB 2582009 B GB2582009 B GB 2582009B GB 201903118 A GB201903118 A GB 201903118A GB 2582009 B GB2582009 B GB 2582009B
Authority
GB
United Kingdom
Prior art keywords
central component
rotating central
split magnet
split
magnet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1903118.6A
Other versions
GB2582009A (en
GB201903118D0 (en
Inventor
Mallett Michael
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Healthcare Ltd
Original Assignee
Siemens Healthcare Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Healthcare Ltd filed Critical Siemens Healthcare Ltd
Priority to GB1903118.6A priority Critical patent/GB2582009B/en
Publication of GB201903118D0 publication Critical patent/GB201903118D0/en
Priority to NL2025064A priority patent/NL2025064B1/en
Priority to CN202010152745.5A priority patent/CN111665464A/en
Priority to US16/811,433 priority patent/US11452462B2/en
Publication of GB2582009A publication Critical patent/GB2582009A/en
Application granted granted Critical
Publication of GB2582009B publication Critical patent/GB2582009B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3607—RF waveform generators, e.g. frequency generators, amplitude-, frequency- or phase modulators or shifters, pulse programmers, digital to analog converters for the RF signal, means for filtering or attenuating of the RF signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3802—Manufacture or installation of magnet assemblies; Additional hardware for transportation or installation of the magnet assembly or for providing mechanical support to components of the magnet assembly
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3858—Manufacture and installation of gradient coils, means for providing mechanical support to parts of the gradient-coil assembly
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
GB1903118.6A 2019-03-08 2019-03-08 Split magnet with rotating central component Active GB2582009B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1903118.6A GB2582009B (en) 2019-03-08 2019-03-08 Split magnet with rotating central component
NL2025064A NL2025064B1 (en) 2019-03-08 2020-03-05 Split magnet with rotating central component
CN202010152745.5A CN111665464A (en) 2019-03-08 2020-03-06 Split magnet with rotating center part
US16/811,433 US11452462B2 (en) 2019-03-08 2020-03-06 Split magnet with rotating central component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1903118.6A GB2582009B (en) 2019-03-08 2019-03-08 Split magnet with rotating central component

Publications (3)

Publication Number Publication Date
GB201903118D0 GB201903118D0 (en) 2019-04-24
GB2582009A GB2582009A (en) 2020-09-09
GB2582009B true GB2582009B (en) 2021-04-07

Family

ID=66380312

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1903118.6A Active GB2582009B (en) 2019-03-08 2019-03-08 Split magnet with rotating central component

Country Status (4)

Country Link
US (1) US11452462B2 (en)
CN (1) CN111665464A (en)
GB (1) GB2582009B (en)
NL (1) NL2025064B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2582009B (en) 2019-03-08 2021-04-07 Siemens Healthcare Ltd Split magnet with rotating central component

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011008969A1 (en) * 2009-07-15 2011-01-20 Viewray Incorporated Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
US20150247907A1 (en) * 2012-09-21 2015-09-03 Siemens Aktiengesellschaft Hybrid examination system having an mr scanner, an x ray source and an x ray detector
GB2549916A (en) * 2011-03-30 2017-11-01 Elekta Ab Radiotherapeutic apparatus

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19612478C1 (en) 1996-03-29 1997-09-04 Siemens Ag Gradient coil system for medical diagnostic MRI device
WO1998012964A1 (en) 1996-09-25 1998-04-02 Cho Zang Hee Apparatus and method for silent magnetic resonance imaging with rotating gradient coil
EP1051636A1 (en) * 1998-11-27 2000-11-15 Koninklijke Philips Electronics N.V. Magnetic resonance imaging system
US6466018B1 (en) 2000-04-03 2002-10-15 General Electric Company Rotating body coil apparatus for interventional magnetic resonance imaging
WO2002002010A1 (en) * 2000-07-05 2002-01-10 Hitachi Medical Corporation Magnetic resonance imaging device and gradient magnetic field coil used for it
US7345559B2 (en) * 2001-09-13 2008-03-18 General Electric Company High field open MRI magnet isolation system and method
US20110201920A1 (en) * 2010-02-12 2011-08-18 Elekta Ab (Publ) Radiotherapy and imaging apparatus
GB2490325B (en) * 2011-04-21 2013-04-10 Siemens Plc Combined MRI and radiation therapy equipment
GB2507585B (en) * 2012-11-06 2015-04-22 Siemens Plc MRI magnet for radiation and particle therapy
EP3047292B1 (en) 2013-09-17 2021-06-30 Synaptive Medical Inc. Coil assembly for magnetic resonance imaging
KR101545171B1 (en) * 2013-09-23 2015-08-19 한국전기연구원 Radiation therapy system using magnetic resonance imaging guided linear accelerator
CN106456994B (en) * 2014-06-27 2019-11-12 皇家飞利浦有限公司 Charged particle beam therapy and magnetic resonance imaging
EP3327457A1 (en) * 2016-11-23 2018-05-30 Siemens Healthcare GmbH Medical imaging system comprising a magnet unit and a radiation unit
GB2582009B (en) * 2019-03-08 2021-04-07 Siemens Healthcare Ltd Split magnet with rotating central component

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011008969A1 (en) * 2009-07-15 2011-01-20 Viewray Incorporated Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
GB2549916A (en) * 2011-03-30 2017-11-01 Elekta Ab Radiotherapeutic apparatus
US20150247907A1 (en) * 2012-09-21 2015-09-03 Siemens Aktiengesellschaft Hybrid examination system having an mr scanner, an x ray source and an x ray detector

Also Published As

Publication number Publication date
US20200281502A1 (en) 2020-09-10
GB2582009A (en) 2020-09-09
GB201903118D0 (en) 2019-04-24
NL2025064B1 (en) 2021-02-16
CN111665464A (en) 2020-09-15
NL2025064A (en) 2020-09-11
US11452462B2 (en) 2022-09-27

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